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by kwakster
Sat Nov 02, 2019 12:31 pm
Forum: Off-Topic
Topic: Ultrasonic Cleaner
Replies: 18
Views: 1618

Re: Ultrasonic Cleaner

Also in general don't try to clean aluminium objects in it.

As a test: put a piece of aluminium foil in the basket, turn the machine on, and watch what happens (it won't hurt the machine)
If your machine is powerful enough it will create a random pattern of tiny holes in the alufoil.
by kwakster
Wed Oct 16, 2019 8:31 am
Forum: Spyderco General Discussion
Topic: The low grit sharpening thread
Replies: 85
Views: 2893

Re: The low grit sharpening thread

On this Cold Steel Black Bear machete i reprofiled & sharpened the factory edge as well as the existing swedge to ~30 degrees inclusive with only a cheap Chinese 120 grit diamond file i got from E-Bay, then minimized the burr with the same file and removed the last remnants on the Tormek leather whe...
by kwakster
Mon Oct 07, 2019 11:06 am
Forum: Off-Topic
Topic: Cutting boards
Replies: 71
Views: 4130

Re: Cutting boards

Currently testing a cheap Thai Kiwi knife on an also cheap Zanussi white polyethylene cutting board, and the Kiwi stays armhair shaving sharp for more than a week of home use on the Zanussi board. (this with a 22 degrees inclusive relief bevel and a 30 degree inclusive microbevel from a DMT Diafold ...
by kwakster
Sat Sep 28, 2019 9:43 am
Forum: Spyderco General Discussion
Topic: Slipjoint mod Para 3
Replies: 85
Views: 6836

Re: Slipjoint mod Para 3

Governments will always use the crimes of the few to increase their control over the many.
by kwakster
Thu Sep 26, 2019 1:41 am
Forum: Spyderco General Discussion
Topic: Very Sharp
Replies: 25
Views: 1055

Re: Very Sharp

In my area quite a few avid hog hunters use various Fallkniven models with convex blades in 3G steel.
They use cheap zippers to open up the bellies and then use the good knives only on the inside to avoid premature blunting on the bristled and often heavily mud caked skin of the animal.
by kwakster
Wed Sep 11, 2019 8:45 am
Forum: Spyderco General Discussion
Topic: Hap40 vs zdp189 vs k390
Replies: 20
Views: 1388

Re: Hap40 vs zdp189 vs k390

Have you tried K390 yet? I have found it to be very impressve blade steel. Not as corrosion resistant as HAP40, but also takes a very fine edge, and holds it outstandingly well, while still being surprisingly tough in thin cross sections. Although i still haven't tried them, some time ago i bought ...
by kwakster
Wed Sep 11, 2019 3:56 am
Forum: Spyderco General Discussion
Topic: Hap40 vs zdp189 vs k390
Replies: 20
Views: 1388

Re: Hap40 vs zdp189 vs k390

Yes, my posts on the other forums were about HAP40 Kohetsu santoku's @ 65 HRC. The minor chipping one of the Chefs experienced was with an edge angle of ~20 degrees inclusive, and indeed while trying to cut the rock hard crusts on a few artisan breads, which i consider abuse. Although i certainly ag...
by kwakster
Tue Sep 10, 2019 8:53 am
Forum: Spyderco General Discussion
Topic: Hap40 vs zdp189 vs k390
Replies: 20
Views: 1388

Re: Hap40 vs zdp189 vs k390

HAP40 needs to be around 65-66 HRC to really shine.
by kwakster
Wed Jul 03, 2019 2:01 am
Forum: Spyderco General Discussion
Topic: HAP40 upgrade?
Replies: 30
Views: 2226

Re: HAP40 upgrade?

Well, i have no experience with Spyderco models in cladded HAP40 steel, only with sharpening/polishing several Japanese Kohetsu santoku's & gyuto's in cladded HAP40 @ 65 HRC for both a few demanding amateur and pro-Chefs, and based on feedback those knives are actually my current king of the hill re...
by kwakster
Sun Jun 30, 2019 5:17 am
Forum: Spyderco General Discussion
Topic: Stropping
Replies: 30
Views: 1421

Re: Stropping

This type of strop is what i sometimes make & give to people who regularly bring me a CRK or other quality (Chef-) knife for sharpening and/or some TLC, so they can maintain & keep the appearance of their new edge themselves for some time. Even a few professional Chefs in my area with expensive gyut...
by kwakster
Fri Jun 21, 2019 9:48 am
Forum: Off-Topic
Topic: Your views on machetes?
Replies: 23
Views: 1553

Re: Your views on machetes?

Machetes to me are both extremely useful tools as well as sharpening/modding/learning objects. Long time user for trail clearing is a modified Cold Steel Kukri machete and (since a few weeks) an also modified Condor Eco Golok machete. https://www.bladeforums.com/threads/finetuning-a-couple-of-condor...
by kwakster
Fri May 03, 2019 1:04 pm
Forum: Spyderco General Discussion
Topic: Vintage Military
Replies: 30
Views: 1551

Re: Vintage Military

Is there a chance we will see those thicker bladed Military models again ?
by kwakster
Thu Apr 04, 2019 6:17 am
Forum: Off-Topic
Topic: Records.
Replies: 56
Views: 1772

Re: Records.

If your chequebook allows it this Japanese brand seems to make excellent turntables : https://techdas.jp/
by kwakster
Wed Mar 20, 2019 12:05 pm
Forum: Off-Topic
Topic: Obsessed with titanium (a little) - what else can I get?
Replies: 35
Views: 2501

Re: Obsessed with titanium (a little) - what else can I get?

Maybe have a look at these: https://www.bladeforums.com/threads/for ... s.1508000/
I still use one of the reground Santoku models almost every day in our kitchen.
by kwakster
Mon Dec 17, 2018 2:54 pm
Forum: Off-Topic
Topic: Tormec Sharpening
Replies: 43
Views: 3297

Re: Tormec Sharpening

Did you know there is a Tormek forum ?

https://www.tormek.com/forum/index.php
by kwakster
Tue Nov 13, 2018 4:14 am
Forum: Off-Topic
Topic: 1095 Carbon Steel question.
Replies: 15
Views: 792

Re: 1095 Carbon Steel question.

I would take 1095 Cro-Van over standard 1095 any day of the week, as it offers about the same ease of sharpening, but much better edge taking & holding and also way higher toughness. My old Western Bowie is a prime example of how good 1095 Cro-Van can be: https://www.bladeforums.com/threads/western-...
by kwakster
Wed Oct 17, 2018 9:52 am
Forum: Off-Topic
Topic: HAP40 optimal edge angle?
Replies: 4
Views: 355

Re: HAP40 optimal edge angle?

When sharpening Spyderco's HAP40 folders for others i tend to stay on the safe side with 25 degrees or even 30 degrees inclusive as they seem somewhat less hard, but Kohetsu HAP40 santoku's @ 65 HRC so far do very well with a highly polished edge at around 17.5 - 20 degrees inclusive. Used by an avi...
by kwakster
Fri Sep 28, 2018 2:41 am
Forum: Off-Topic
Topic: Help! I need to be talked out of getting a Sebenza.
Replies: 40
Views: 2823

Re: Help! I need to be talked out of getting a Sebenza.

The underhardened part is solved since around mid-2013, as they now harden their S35VN to 59-60 HRC. And from sharpening these for others plus the feedback i receive this is a noticeable improvement. If CRK now would focus more on reducing the thickness behind the edge, making sure that the factory ...

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